Move content's a plugin, ppapi_plugin, utility, and worker subdirectories to the content namespace.

content/ppapi_plugin/ppapi_thread.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_PPAPI_PLUGIN_PPAPI_THREAD_H_
 #define CONTENT_PPAPI_PLUGIN_PPAPI_THREAD_H_
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/process.h"
 #include "base/scoped_native_library.h"
 #include "build/build_config.h"
 #include "content/common/child_thread.h"
 #include "ppapi/c/pp_module.h"
 #include "ppapi/c/trusted/ppp_broker.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/plugin_globals.h"
 #include "ppapi/proxy/plugin_proxy_delegate.h"
 
 #if defined(OS_WIN)
 #include "base/win/scoped_handle.h"
 #endif
 
 class CommandLine;
 class FilePath;
-class PpapiWebKitPlatformSupportImpl;
 
 namespace IPC {
 struct ChannelHandle;
 }
 
+namespace content {
+
+class PpapiWebKitPlatformSupportImpl;
+
 class PpapiThread : public ChildThread,
                     public ppapi::proxy::PluginDispatcher::PluginDelegate,
                     public ppapi::proxy::PluginProxyDelegate {
  public:
   PpapiThread(const CommandLine& command_line, bool is_broker);
   virtual ~PpapiThread();
 
  private:
   // ChildThread overrides.
   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
@@ skipping 75 matching lines @@
   scoped_ptr<PpapiWebKitPlatformSupportImpl> webkit_platform_support_;
 
 #if defined(OS_WIN)
   // Caches the handle to the peer process if this is a broker.
   base::win::ScopedHandle peer_handle_;
 #endif
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(PpapiThread);
 };
 
+}  // namespace content
+
 #endif  // CONTENT_PPAPI_PLUGIN_PPAPI_THREAD_H_